/**
 * Function to call to start a peer_create type operation once all
 * queues the operation is part of declare that the
 * operation can be activated.
 *
 * @param cls the closure from GNUNET_TESTBED_operation_create_()
 */
static void
opstart_peer_create (void *cls)
{
  struct OperationContext *opc = cls;
  struct PeerCreateData *data;
  struct GNUNET_TESTBED_PeerCreateMessage *msg;
  char *config;
  char *xconfig;
  size_t c_size;
  size_t xc_size;
  uint16_t msize;

  GNUNET_assert (OP_PEER_CREATE == opc->type);
  data = opc->data;
  GNUNET_assert (NULL != data);
  GNUNET_assert (NULL != data->peer);
  opc->state = OPC_STATE_STARTED;
  config = GNUNET_CONFIGURATION_serialize (data->cfg, &c_size);
  xc_size = GNUNET_TESTBED_compress_config_ (config, c_size, &xconfig);
  GNUNET_free (config);
  msize = xc_size + sizeof (struct GNUNET_TESTBED_PeerCreateMessage);
  msg = GNUNET_realloc (xconfig, msize);
  memmove (&msg[1], msg, xc_size);
  msg->header.size = htons (msize);
  msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_CREATEPEER);
  msg->operation_id = GNUNET_htonll (opc->id);
  msg->host_id = htonl (GNUNET_TESTBED_host_get_id_ (data->peer->host));
  msg->peer_id = htonl (data->peer->unique_id);
  msg->config_size = htonl (c_size);
  GNUNET_CONTAINER_DLL_insert_tail (opc->c->ocq_head, opc->c->ocq_tail, opc);
  GNUNET_TESTBED_queue_message_ (opc->c, &msg->header);
}
/**
 * Function called when a peer get information operation is ready
 *
 * @param cls the closure from GNUNET_TESTBED_operation_create_()
 */
static void
opstart_peer_getinfo (void *cls)
{
  struct OperationContext *opc = cls;
  struct PeerInfoData *data;
  struct GNUNET_TESTBED_PeerGetConfigurationMessage *msg;

  data = opc->data;
  GNUNET_assert (NULL != data);
  opc->state = OPC_STATE_STARTED;
  msg =
      GNUNET_TESTBED_generate_peergetconfig_msg_ (data->peer->unique_id,
                                                  opc->id);
  GNUNET_CONTAINER_DLL_insert_tail (opc->c->ocq_head, opc->c->ocq_tail, opc);
  GNUNET_TESTBED_queue_message_ (opc->c, &msg->header);
}
/**
 * Function called when a peer destroy operation is ready
 *
 * @param cls the closure from GNUNET_TESTBED_operation_create_()
 */
static void
opstart_peer_destroy (void *cls)
{
  struct OperationContext *opc = cls;
  struct GNUNET_TESTBED_Peer *peer;
  struct GNUNET_TESTBED_PeerDestroyMessage *msg;

  GNUNET_assert (OP_PEER_DESTROY == opc->type);
  peer = opc->data;
  GNUNET_assert (NULL != peer);
  opc->state = OPC_STATE_STARTED;
  msg = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_PeerDestroyMessage));
  msg->header.size = htons (sizeof (struct GNUNET_TESTBED_PeerDestroyMessage));
  msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER);
  msg->peer_id = htonl (peer->unique_id);
  msg->operation_id = GNUNET_htonll (opc->id);
  GNUNET_CONTAINER_DLL_insert_tail (opc->c->ocq_head, opc->c->ocq_tail, opc);
  GNUNET_TESTBED_queue_message_ (peer->controller, &msg->header);
}
/**
 * Function called when a overlay connect operation is ready
 *
 * @param cls the closure from GNUNET_TESTBED_operation_create_()
 */
static void
opstart_overlay_connect (void *cls)
{
  struct OperationContext *opc = cls;
  struct GNUNET_TESTBED_OverlayConnectMessage *msg;
  struct OverlayConnectData *data;

  opc->state = OPC_STATE_STARTED;
  data = opc->data;
  GNUNET_assert (NULL != data);
  msg = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_OverlayConnectMessage));
  msg->header.size =
      htons (sizeof (struct GNUNET_TESTBED_OverlayConnectMessage));
  msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_OLCONNECT);
  msg->peer1 = htonl (data->p1->unique_id);
  msg->peer2 = htonl (data->p2->unique_id);
  msg->operation_id = GNUNET_htonll (opc->id);
  msg->peer2_host_id = htonl (GNUNET_TESTBED_host_get_id_ (data->p2->host));
  GNUNET_CONTAINER_DLL_insert_tail (opc->c->ocq_head, opc->c->ocq_tail, opc);
  GNUNET_TESTBED_queue_message_ (opc->c, &msg->header);
}
/**
 * Function called when a peer stop operation is ready
 *
 * @param cls the closure from GNUNET_TESTBED_operation_create_()
 */
static void
opstart_peer_stop (void *cls)
{
  struct OperationContext *opc = cls;
  struct GNUNET_TESTBED_PeerStopMessage *msg;
  struct PeerEventData *data;
  struct GNUNET_TESTBED_Peer *peer;

  GNUNET_assert (NULL != opc->data);
  data = opc->data;
  GNUNET_assert (NULL != data->peer);
  peer = data->peer;
  GNUNET_assert (PS_STARTED == peer->state);
  opc->state = OPC_STATE_STARTED;
  msg = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_PeerStopMessage));
  msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_STOPPEER);
  msg->header.size = htons (sizeof (struct GNUNET_TESTBED_PeerStopMessage));
  msg->peer_id = htonl (peer->unique_id);
  msg->operation_id = GNUNET_htonll (opc->id);
  GNUNET_CONTAINER_DLL_insert_tail (opc->c->ocq_head, opc->c->ocq_tail, opc);
  GNUNET_TESTBED_queue_message_ (peer->controller, &msg->header);
}
示例#6
0
/**
 * Register a host with the controller
 *
 * @param controller the controller handle
 * @param host the host to register
 * @param cc the completion callback to call to inform the status of
 *          registration. After calling this callback the registration handle
 *          will be invalid. Cannot be NULL.
 * @param cc_cls the closure for the cc
 * @return handle to the host registration which can be used to cancel the
 *           registration
 */
struct GNUNET_TESTBED_HostRegistrationHandle *
GNUNET_TESTBED_register_host (struct GNUNET_TESTBED_Controller *controller,
                              struct GNUNET_TESTBED_Host *host,
                              GNUNET_TESTBED_HostRegistrationCompletion cc,
                              void *cc_cls)
{
  struct GNUNET_TESTBED_HostRegistrationHandle *rh;
  struct GNUNET_TESTBED_AddHostMessage *msg;
  const char *username;
  const char *hostname;
  char *config;
  char *cconfig;
  void *ptr;
  size_t cc_size;
  size_t config_size;
  uint16_t msg_size;
  uint16_t username_length;
  uint16_t hostname_length;

  if (NULL != controller->rh)
    return NULL;
  hostname = GNUNET_TESTBED_host_get_hostname (host);
  if (GNUNET_YES == GNUNET_TESTBED_is_host_registered_ (host, controller))
  {
    LOG (GNUNET_ERROR_TYPE_WARNING, "Host hostname: %s already registered\n",
         (NULL == hostname) ? "localhost" : hostname);
    return NULL;
  }
  rh = GNUNET_new (struct GNUNET_TESTBED_HostRegistrationHandle);
  rh->host = host;
  rh->c = controller;
  GNUNET_assert (NULL != cc);
  rh->cc = cc;
  rh->cc_cls = cc_cls;
  controller->rh = rh;
  username = GNUNET_TESTBED_host_get_username_ (host);
  username_length = 0;
  if (NULL != username)
    username_length = strlen (username);
  GNUNET_assert (NULL != hostname); /* Hostname must be present */
  hostname_length = strlen (hostname);
  GNUNET_assert (NULL != host->cfg);
  config = GNUNET_CONFIGURATION_serialize (host->cfg, &config_size);
  cc_size = GNUNET_TESTBED_compress_config_ (config, config_size, &cconfig);
  GNUNET_free (config);
  msg_size = (sizeof (struct GNUNET_TESTBED_AddHostMessage));
  msg_size += username_length;
  msg_size += hostname_length;
  msg_size += cc_size;
  msg = GNUNET_malloc (msg_size);
  msg->header.size = htons (msg_size);
  msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_ADD_HOST);
  msg->host_id = htonl (GNUNET_TESTBED_host_get_id_ (host));
  msg->ssh_port = htons (GNUNET_TESTBED_host_get_ssh_port_ (host));
  ptr = &msg[1];
  if (NULL != username)
  {
    msg->username_length = htons (username_length);
    GNUNET_memcpy (ptr, username, username_length);
    ptr += username_length;
  }
  msg->hostname_length = htons (hostname_length);
  GNUNET_memcpy (ptr, hostname, hostname_length);
  ptr += hostname_length;
  msg->config_size = htons (config_size);
  GNUNET_memcpy (ptr, cconfig, cc_size);
  ptr += cc_size;
  GNUNET_assert ((ptr - (void *) msg) == msg_size);
  GNUNET_free (cconfig);
  GNUNET_TESTBED_queue_message_ (controller,
                                 (struct GNUNET_MessageHeader *) msg);
  return rh;
}